Image © The Pokémon Company, shown for identification.
Cornerstone Mask Ogerpon ex
Prismatic Evolutions · #058/131
Cornerstone Mask Ogerpon ex (058/131), the Double rare from Prismatic Evolutions, has an estimated ungraded market price of about $0.95.
As of September 14, 2026 · tracked daily by Riffle · estimates, not financial advice · how these numbers work
The modeled fair value of this card, with a confidence grade: what it should trade at, not just what it lists at. Part of Riffle premium, alongside price history and the full graded ladder.
About Cornerstone Mask Ogerpon ex
Cornerstone Mask Ogerpon ex is a Double rare (058/131) from the Pokémon Prismatic Evolutions set, released January 17, 2025. Ungraded copies currently trade at an estimated market price of $0.80–$1. The artwork is by 5ban Graphics. Riffle tracks its market price daily; graded (PSA) comps and full price history are available with Riffle.
Other versions of Cornerstone Mask Ogerpon ex
Cornerstone Mask Ogerpon ex appears on 5 different cards across the sets Riffle tracks, at very different values. This page covers #058/131 from Prismatic Evolutions; the collector number printed at the bottom of the card tells them apart.
FAQ
How much is Cornerstone Mask Ogerpon ex (058/131) worth?
Cornerstone Mask Ogerpon ex (058/131), the Double rare from Prismatic Evolutions, has an estimated ungraded market price of about $0.95. Note: 4 other cards named Cornerstone Mask Ogerpon ex exist across the sets Riffle tracks, at very different values; check the collector number.
Which Cornerstone Mask Ogerpon ex card is this, and how do I tell the versions apart?
This page covers Cornerstone Mask Ogerpon ex (058/131), the Double rare (about $0.80–$1) from Prismatic Evolutions.
The other versions: #160/131 from Prismatic Evolutions (Special illustration rare, about $12–$17); #215/167 from Twilight Masquerade (Special illustration rare, about $11–$15); #199/167 from Twilight Masquerade (Ultra Rare, about $3–$4); #112/167 from Twilight Masquerade (Double rare, about $0.80–$1).
The collector number printed at the bottom of the card is the reliable way to tell them apart.
More from Prismatic Evolutions
Grading
A grading read appears once Cornerstone Mask Ogerpon ex has a PSA population census. Riffle captures the census monthly; this card doesn’t have enough graded copies on record yet.
- $0.80–$1 is the middle 80% of clean market activity, not the cheapest listing and not the most hopeful one.
- The band spans about ±16% around its midpoint: a moderate spread.
- Sampled daily since July 10, 2026, current as of September 14, 2026.
When the data thins, the band widens and says so, it never fakes precision. Exact source prices are part of Riffle premium; the band is Riffle’s own figure to publish. How these numbers work →